I'm trying to find the current and voltage across R2 using thenenin. http://img209.imageshack.us/img209/4606/thv15ph.png [Broken] I've managed to find Rth, which is equal to (R1 + R4)||(R3 + R5). That comes out to about 2.9 ohms. I need help with finding the Vth (Vab) though. http://img208.imageshack.us/img208/5002/thv28nc.png [Broken] Can someone please help me. What are the tricks involved here?